/* ============================================
   Components - Cards, Buttons, Badges, etc.
   ============================================ */

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: 1;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-dark);
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-md);
}

/* Button Variants */
.btn-primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.btn-success {
    background: var(--color-success);
    border-color: var(--color-success);
    color: white;
}

.btn-success:hover {
    background: #047857;
    border-color: #047857;
}

.btn-danger {
    background: var(--color-error);
    border-color: var(--color-error);
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
    border-color: #b91c1c;
}

.btn-warning {
    background: var(--color-warning);
    border-color: var(--color-warning);
    color: white;
}

.btn-warning:hover {
    background: #b45309;
    border-color: #b45309;
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--color-bg-tertiary);
    border-color: transparent;
}

/* Icon Button */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* ----------------------------------------
   Theme Toggle
   ---------------------------------------- */
.theme-toggle {
    position: relative;
    overflow: hidden;
}

.theme-toggle .theme-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.theme-toggle:hover .theme-icon {
    transform: rotate(15deg);
}

.theme-toggle:active .theme-icon {
    transform: scale(0.9);
}

/* Theme toggle in dark mode */
[data-theme="dark"] .theme-toggle {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border);
}

[data-theme="dark"] .theme-toggle:hover {
    background: var(--color-bg-hover);
}

/* ----------------------------------------
   Cards
   ---------------------------------------- */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.card-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card-body {
    padding: var(--space-4);
}

.card-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

/* ----------------------------------------
   Badges
   ---------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    line-height: 1.4;
}

.badge-primary {
    background: var(--color-accent);
    color: white;
}

.badge-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.badge-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.badge-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

.badge-info {
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid var(--color-info-border);
}

/* Iteration Badge */
.iteration-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    margin-left: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    background: var(--color-accent);
    color: white;
}

.iteration-badge::before {
    content: '↻';
    margin-right: var(--space-1);
    font-size: 10px;
}

/* Status Badge */
.status-badge {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

/* ----------------------------------------
   Validation Cards
   ---------------------------------------- */
.validation-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    transition: border-color var(--transition-fast);
}

.validation-card.passed {
    border-color: var(--color-success-border);
}

.validation-card.failed {
    border-color: var(--color-error-border);
}

/* Validation List (vertical stack) */
.validation-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.validation-card-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.validation-card-row:hover {
    background: var(--color-bg-secondary);
}

.validation-card-row.passed {
    border-left: 3px solid var(--color-success);
}

.validation-card-row.failed {
    border-left: 3px solid var(--color-error);
}

.validation-card-row .validation-status {
    flex-shrink: 0;
}

.validation-card-row .validation-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.validation-card-row .validation-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.validation-card-row .validation-message {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.validation-badge {
    flex-shrink: 0;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.validation-badge.passed {
    background: var(--color-success-bg, rgba(34, 197, 94, 0.1));
    color: var(--color-success);
}

.validation-badge.failed {
    background: var(--color-error-bg, rgba(239, 68, 68, 0.1));
    color: var(--color-error);
}

.validation-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.validation-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
}

.validation-icon.passed {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.validation-icon.failed {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.validation-title {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
}

.validation-message {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.validation-details {
    margin-top: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-error);
}

/* ----------------------------------------
   Artifact Overview Card
   ---------------------------------------- */
.artifact-overview-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.artifact-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.artifact-title-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.artifact-project-id {
    margin: 0;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.artifact-topic {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.artifact-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

@media (max-width: 576px) {
    .artifact-details-grid {
        grid-template-columns: 1fr;
    }
}

.artifact-detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.detail-label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    font-size: var(--text-sm);
    color: var(--color-text-primary);
}

.detail-value code {
    background: var(--color-bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
}

.artifact-scope-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

@media (max-width: 576px) {
    .artifact-scope-section {
        grid-template-columns: 1fr;
    }
}

.scope-column {
    padding: var(--space-4);
}

.scope-column.in-scope {
    border-right: 1px solid var(--color-border);
}

@media (max-width: 576px) {
    .scope-column.in-scope {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
}

.scope-title {
    margin: 0 0 var(--space-3) 0;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.scope-column.in-scope .scope-title {
    color: var(--color-success);
}

.scope-column.out-scope .scope-title {
    color: var(--color-error);
}

.scope-list {
    margin: 0;
    padding-left: var(--space-5);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.scope-list li {
    margin-bottom: var(--space-2);
}

.scope-list li:last-child {
    margin-bottom: 0;
}

.scope-list li.empty {
    color: var(--color-text-muted);
    font-style: italic;
    list-style: none;
    margin-left: calc(-1 * var(--space-5));
}

/* ----------------------------------------
   Critique Panel
   ---------------------------------------- */
.critique-panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.critique-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.critique-score {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.score-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    border: 2px solid;
}

.score-circle.high {
    background: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success);
}

.score-circle.medium {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: var(--color-warning);
}

.score-circle.low {
    background: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error);
}

.critique-body {
    padding: var(--space-4);
}

.critique-summary {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
}

.critique-issue {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-2);
}

.issue-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.issue-icon.warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.issue-icon.info {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.issue-message {
    font-size: var(--text-base);
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.issue-location {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ----------------------------------------
   Provenance Grid
   ---------------------------------------- */
.provenance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.provenance-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
}

.provenance-item.span-2 {
    grid-column: span 2;
}

.provenance-label {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.provenance-value {
    font-size: var(--text-base);
    color: var(--color-text-primary);
    word-break: break-all;
}

/* ----------------------------------------
   Code Block
   ---------------------------------------- */
.code-block {
    background: var(--color-bg-code);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-text-code);
}

.code-line {
    display: flex;
}

.line-number {
    color: var(--color-gray-500);
    margin-right: var(--space-4);
    user-select: none;
    min-width: 2em;
    text-align: right;
}

.code-line.highlight-error {
    background: rgba(239, 68, 68, 0.2);
    margin: 0 calc(var(--space-4) * -1);
    padding: 0 var(--space-4);
}

/* ----------------------------------------
   Diff View
   ---------------------------------------- */
.diff-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.diff-panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.diff-header {
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    display: flex;
    justify-content: space-between;
    color: var(--color-text-secondary);
}

.diff-header.old {
    border-left: 3px solid var(--color-error);
}

.diff-header.new {
    border-left: 3px solid var(--color-success);
}

.diff-content {
    padding: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    max-height: 300px;
    overflow: auto;
}

.diff-line.added {
    background: var(--color-success-bg);
    color: var(--color-success);
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
}

.diff-line.removed {
    background: var(--color-error-bg);
    color: var(--color-error);
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
}

/* ----------------------------------------
   Delta Panel
   ---------------------------------------- */
.delta-panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.delta-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.delta-title {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.delta-body {
    padding: var(--space-4);
}

.delta-input {
    width: 100%;
    min-height: 120px;
    padding: var(--space-3);
    font-size: var(--text-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    resize: vertical;
    margin-bottom: var(--space-3);
}

.delta-input:focus {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-focus);
}

.delta-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.delta-hint {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ----------------------------------------
   Modal
   ---------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Bottom Sheet Animation */
.modal-overlay.modal-bottom-sheet {
    align-items: flex-end;
    padding-bottom: 0;
}

.modal-overlay.modal-bottom-sheet .modal {
    transform: translateY(100%);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    max-height: 90vh;
}

.modal-overlay.modal-bottom-sheet.active .modal {
    transform: translateY(0);
}

/* Center Modal (fallback) */
.modal-overlay.modal-center {
    align-items: center;
}

.modal-overlay.modal-center .modal {
    transform: translateY(20px) scale(0.95);
}

.modal-overlay.modal-center.active .modal {
    transform: translateY(0) scale(1);
}

.modal {
    background: var(--color-bg-card);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}

/* Modal Sizes */
.modal.modal-sm {
    max-width: 380px;
}

.modal.modal-lg {
    max-width: 640px;
}

.modal-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Modal Icons */
.modal-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.modal-icon svg {
    width: 22px;
    height: 22px;
}

.modal-icon-confirm {
    background: var(--color-primary-50);
    color: var(--color-primary-600);
}

.modal-icon-info {
    background: var(--color-primary-50);
    color: var(--color-primary-600);
}

.modal-icon-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.modal-icon-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.modal-icon-error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    max-height: calc(90vh - 160px);
}

.modal-message {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

.modal-details {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    white-space: pre-wrap;
    word-break: break-word;
}

.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    background: var(--color-bg-secondary);
}

/* Modal Button Styles */
.modal-footer .btn {
    min-width: 100px;
    padding: var(--space-3) var(--space-5);
    font-weight: var(--font-medium);
}

/* Primary Button - Clinical Blue */
.modal-footer .btn-primary {
    background: var(--color-primary-500);
    color: white;
    border: none;
}

.modal-footer .btn-primary:hover {
    background: var(--color-primary-600);
}

/* Success Button */
.modal-footer .btn-success {
    background: var(--color-success);
    color: white;
    border: none;
}

.modal-footer .btn-success:hover {
    background: #16a34a;
}

/* Warning Button */
.modal-footer .btn-warning {
    background: var(--color-warning);
    color: white;
    border: none;
}

.modal-footer .btn-warning:hover {
    background: #d97706;
}

/* Danger Button - Gentle Red */
.modal-footer .btn-danger {
    background: #dc2626;
    color: white;
    border: none;
}

.modal-footer .btn-danger:hover {
    background: #b91c1c;
}

/* Secondary Button - Outlined */
.modal-footer .btn-secondary {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.modal-footer .btn-secondary:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-color: var(--color-border-dark);
}

/* Ghost Button */
.modal-footer .btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
    border: none;
}

.modal-footer .btn-ghost:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

/* Impact Warning */
.impact-warning {
    background: var(--color-warning-bg);
    border: 1px solid var(--color-warning-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-5);
    display: flex;
    gap: var(--space-3);
}

.impact-warning-icon {
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.impact-warning-text {
    font-size: var(--text-base);
    color: var(--color-warning);
    line-height: var(--leading-relaxed);
}

.impact-list {
    list-style: none;
    padding: 0;
}

.impact-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-2);
}

.impact-step {
    font-weight: var(--font-medium);
    font-size: var(--text-base);
}

.impact-status {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-left: auto;
}

/* ----------------------------------------
   Toast Notifications
   ---------------------------------------- */
.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    transform: translateX(120%);
    transition: transform var(--transition-slow);
    min-width: 320px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-color: var(--color-success-border);
}

.toast.error {
    border-color: var(--color-error-border);
}

.toast-icon {
    font-size: var(--text-xl);
}

.toast.success .toast-icon {
    color: var(--color-success);
}

.toast.error .toast-icon {
    color: var(--color-error);
}

.toast-message {
    font-size: var(--text-base);
    color: var(--color-text-primary);
}

/* ----------------------------------------
   Empty State
   ---------------------------------------- */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: var(--color-bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: var(--text-3xl);
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.empty-state-description {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    max-width: 400px;
    margin: 0 auto;
}

/* ----------------------------------------
   Version Badge
   ---------------------------------------- */
.version-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-1) var(--space-3);
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.version-badge:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #16a34a, #15803d);
}

.version-badge:active {
    transform: translateY(0);
}

/* ----------------------------------------
   Version History Modal
   ---------------------------------------- */
.version-modal {
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
}

.version-modal .modal-header {
    padding: var(--space-5) var(--space-6);
}

.version-modal .modal-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.version-modal .modal-title svg {
    color: var(--color-text-muted);
}

.version-list-container {
    padding: 0;
    max-height: 60vh;
    overflow-y: auto;
}

.version-list {
    padding: var(--space-4) var(--space-6);
}

.version-item {
    border-bottom: 1px solid var(--color-border-light);
}

.version-item:last-child {
    border-bottom: none;
}

.version-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-2);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.version-header:hover {
    background: var(--color-bg-hover);
}

.version-expand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.version-item.expanded .version-expand-icon {
    color: var(--color-text-primary);
}

.version-badge-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.version-badge-small.current {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    border-color: transparent;
}

.version-title {
    flex: 1;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
}

.version-date {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.version-details {
    padding: 0 var(--space-2) var(--space-4) calc(24px + var(--space-3) + var(--space-2));
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.version-section {
    margin-bottom: var(--space-4);
}

.version-section:last-child {
    margin-bottom: 0;
}

.version-section-title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.version-section-list {
    list-style: disc;
    padding-left: var(--space-5);
    margin: 0;
}

.version-section-list li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
    line-height: var(--leading-relaxed);
}

.version-section-list li:last-child {
    margin-bottom: 0;
}

.version-modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg-secondary);
}

.version-hint {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* Dark mode adjustments for version components */
[data-theme="dark"] .version-badge-small:not(.current) {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border);
}

/* ----------------------------------------
   Notification Button & Badge
   ---------------------------------------- */
.notification-btn {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: #ef4444;
    color: white;
    font-size: 11px;
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-bg-primary);
    line-height: 1;
}

/* ----------------------------------------
   Notification Dropdown
   ---------------------------------------- */
.notification-dropdown {
    position: absolute;
    top: calc(100% + var(--space-3));
    right: 0;
    width: 420px;
    max-width: calc(100vw - 32px);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
}

.notification-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notif-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
}

.notif-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.notif-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.notif-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

/* Notification Tabs */
.notif-tabs {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
}

.notif-tab {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.notif-tab:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
}

.notif-tab.active {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

/* Notification List */
.notif-list {
    max-height: 400px;
    overflow-y: auto;
}

.notif-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
    transition: background-color var(--transition-fast);
}

.notif-item:last-child {
    border-bottom: none;
}

.notif-item:hover {
    background: var(--color-bg-secondary);
}

.notif-item.unread {
    background: var(--color-accent-light);
}

.notif-item.unread:hover {
    background: var(--color-accent-muted);
}

.notif-icon-wrapper {
    flex-shrink: 0;
}

.notif-icon {
    width: 44px;
    height: 44px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.notif-item.unread .notif-icon {
    background: var(--color-bg-primary);
    color: var(--color-accent);
    border-color: var(--color-accent-muted);
}

.notif-content {
    flex: 1;
    min-width: 0;
}

.notif-timestamp {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-1);
}

.notif-item.read .notif-timestamp {
    color: var(--color-text-muted);
}

.notif-item-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    margin: 0 0 var(--space-1);
    line-height: var(--leading-tight);
}

.notif-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin: 0 0 var(--space-3);
}

.notif-action {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-accent);
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.notif-action:hover {
    gap: var(--space-2);
    text-decoration: none;
}

.notif-empty {
    padding: var(--space-8) var(--space-5);
    text-align: center;
    color: var(--color-text-muted);
}

.notif-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border-light);
    text-align: center;
}

.notif-view-all {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-accent);
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.notif-view-all:hover {
    gap: var(--space-3);
    text-decoration: none;
}

/* ----------------------------------------
   Sidebar Toggle & Animation
   ---------------------------------------- */

/* Sidebar Base */
.sidebar {
    position: relative;
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--color-bg-primary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                min-width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.animating {
    overflow: hidden;
}

/* Sidebar Collapsed State */
.sidebar.collapsed {
    width: 60px;
    min-width: 60px;
}

.sidebar.collapsed .sidebar-section-title,
.sidebar.collapsed .sidebar-header {
    display: none;
}

.sidebar.collapsed .step-info,
.sidebar.collapsed .step-status,
.sidebar.collapsed .step-meta {
    display: none;
}

.sidebar.collapsed .step-item {
    justify-content: center;
    padding: var(--space-2);
    margin: 0 auto var(--space-1) auto;
    border-radius: var(--radius-md);
    width: 36px;
    height: 36px;
    gap: 0;
}

.sidebar.collapsed .step-item:hover {
    background: var(--color-bg-hover);
}

.sidebar.collapsed .step-item.active {
    background: var(--color-accent-light);
}

.sidebar.collapsed .step-icon {
    margin: 0;
    width: 20px;
    height: 20px;
}

.sidebar.collapsed .step-icon svg {
    width: 20px;
    height: 20px;
}

.sidebar.collapsed .sidebar-body {
    padding: var(--space-4) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.sidebar.collapsed #pipeline-steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

/* Sidebar Footer with Toggle Button - Always at Bottom */
.sidebar-footer {
    flex-shrink: 0;
    padding: var(--space-3);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    display: flex;
    justify-content: flex-end;
}

.sidebar.collapsed .sidebar-footer {
    justify-content: center;
}

.sidebar-collapse-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.sidebar-collapse-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-border-dark);
}

.sidebar-collapse-btn:active {
    transform: scale(0.95);
}

.sidebar-collapse-btn svg {
    transition: transform 0.25s ease;
}

.sidebar.collapsed .sidebar-collapse-btn svg {
    transform: rotate(180deg);
}

/* ----------------------------------------
   Pipeline Step Items
   ---------------------------------------- */
.step-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: all 0.15s ease;
    border-radius: var(--radius-lg);
    margin: var(--space-1) var(--space-2);
}

.step-item:hover {
    background: var(--color-bg-hover);
}

.step-item.active {
    background: var(--color-accent-light);
}

.step-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Step Icon - Left side unique icons */
.step-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.step-item:hover .step-icon {
    color: var(--color-text-secondary);
}

.step-item.active .step-icon {
    color: var(--color-accent);
}

.step-item.completed .step-icon {
    color: var(--color-success);
}

.step-item.pending .step-icon {
    color: var(--color-warning);
}

/* Step Info - Middle section */
.step-info {
    flex: 1;
    min-width: 0;
}

.step-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.step-meta {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* Step Status - Right side indicator */
.step-status {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-item.locked .step-icon {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.step-item.locked .step-name,
.step-item.locked .step-meta {
    opacity: 0.6;
}

/* Step Status Badge - Right side circular indicators */
.step-status-badge {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.step-status-badge.completed {
    color: var(--color-success);
}

.step-status-badge.pending {
    color: var(--color-warning);
}

.step-status-badge.locked {
    color: var(--color-text-muted);
}

.step-status-badge.stale {
    color: var(--color-error);
}

.step-status-badge.rejected {
    color: var(--color-error);
}

/* Content Panel Animation */
.content-panel {
    transition: max-width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-main.sidebar-collapsed .content-panel {
    max-width: 100%;
}

/* Dark mode adjustments */
[data-theme="dark"] .sidebar-collapse-btn {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border);
}

[data-theme="dark"] .sidebar-collapse-btn:hover {
    background: var(--color-bg-hover);
}

[data-theme="dark"] .sidebar-footer {
    background: var(--color-bg-primary);
}

[data-theme="dark"] .step-item.active {
    background: var(--color-accent-light);
}

/* Dark mode for notifications */
[data-theme="dark"] .notification-badge {
    border-color: var(--color-bg-secondary);
}

[data-theme="dark"] .notif-item.unread {
    background: rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .notif-item.unread:hover {
    background: rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .notif-item.unread .notif-icon {
    background: var(--color-bg-tertiary);
}

/* Dark Mode - Modal */
[data-theme="dark"] .modal {
    background: var(--color-bg-card);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .modal-overlay {
    background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .modal-icon-confirm,
[data-theme="dark"] .modal-icon-info {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-primary-400);
}

[data-theme="dark"] .modal-icon-success {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

[data-theme="dark"] .modal-icon-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

[data-theme="dark"] .modal-icon-error {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

[data-theme="dark"] .modal-details {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
}

[data-theme="dark"] .modal-footer .btn-secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

[data-theme="dark"] .modal-footer .btn-secondary:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-dark);
}

[data-theme="dark"] .modal-footer .btn-danger {
    background: #dc2626;
}

[data-theme="dark"] .modal-footer .btn-danger:hover {
    background: #ef4444;
}

/* ----------------------------------------
   Loading Spinner
   ---------------------------------------- */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Spin animation for inline SVGs */
.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ----------------------------------------
   Markdown Content
   ---------------------------------------- */
.markdown-content {
    padding: var(--space-5);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    width: 100%;
    text-align: left;
}

/* Light mode markdown */
[data-theme="light"] .markdown-content {
    background: #ffffff;
    color: #1e293b;
}

/* Dark mode markdown */
[data-theme="dark"] .markdown-content {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
    color: var(--color-text-primary);
    text-align: left;
}

.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child {
    margin-top: 0;
}

.markdown-content p {
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.markdown-content table {
    margin-bottom: var(--space-4);
}

/* ----------------------------------------
   Form Inputs (for Modals)
   ---------------------------------------- */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--space-3);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-input.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px var(--color-error-bg);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-10);
}

/* Dark Mode Form Inputs */
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-select {
    background: var(--color-bg-secondary);
    border-color: var(--color-border);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-select:focus {
    border-color: var(--color-primary-400);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* ----------------------------------------
   Step Detail View
   ---------------------------------------- */
.step-detail-view {
    /* Full width, no constraints */
    width: 100%;
}

.step-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-5);
}

.step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: #2563eb !important;
    color: #ffffff !important;
    font-weight: 600;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

/* Ensure white text in both modes */
[data-theme="light"] .step-badge,
[data-theme="dark"] .step-badge {
    background: #2563eb !important;
    color: #ffffff !important;
}

.step-tabs {
    display: flex;
    gap: var(--space-1);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-5);
}

.step-tab {
    padding: var(--space-3) var(--space-4);
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all var(--transition-fast);
}

.step-tab:hover {
    color: var(--color-text-primary);
}

.step-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.step-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* Step Tab Content Container */
#step-tab-content {
    width: 100%;
    text-align: left;
}

#step-tab-content > * {
    width: 100%;
}

#step-tab-content .card {
    width: 100%;
    max-width: none;
}

/* Loading Spinner */
.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Content Sections */
.content-section {
    margin-bottom: var(--space-6);
}

.content-section-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

/* Use 4 columns on large screens for validation cards */
@media (min-width: 1400px) {
    .grid-2 {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) and (max-width: 1399px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Validation Cards */
.validation-card {
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.validation-card.passed {
    border-left: 3px solid var(--color-success);
}

.validation-card.failed {
    border-left: 3px solid var(--color-error);
}

.validation-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.validation-icon {
    font-size: var(--text-lg);
}

.validation-icon.passed {
    color: var(--color-success);
}

.validation-icon.failed {
    color: var(--color-error);
}

.validation-title {
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
}

.validation-message {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

.validation-details {
    margin-top: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-error);
    white-space: pre-wrap;
}

/* Critique Panel */
.critique-panel {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.critique-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.critique-score {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.score-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    border: 3px solid;
}

.score-circle.high {
    color: var(--color-success);
    border-color: var(--color-success);
    background: var(--color-success-light);
}

.score-circle.medium {
    color: var(--color-warning);
    border-color: var(--color-warning);
    background: var(--color-warning-light);
}

.score-circle.low {
    color: var(--color-error);
    border-color: var(--color-error);
    background: var(--color-error-light);
}

.critique-body {
    padding: var(--space-4);
}

.critique-summary {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.critique-issue {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
}

.issue-icon {
    flex-shrink: 0;
    font-size: var(--text-lg);
}

.issue-icon.warning {
    color: var(--color-warning);
}

.issue-icon.info {
    color: var(--color-info);
}

.issue-message {
    color: var(--color-text-primary);
}

.issue-location {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    margin-top: var(--space-1);
}

/* Delta Panel */
.delta-panel {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.delta-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.delta-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--font-semibold);
}

.delta-body {
    padding: var(--space-4);
}

.delta-input {
    width: 100%;
    min-height: 120px;
    padding: var(--space-3);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-sm);
    resize: vertical;
}

.delta-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.delta-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-3);
}

.delta-hint {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
}

/* Code Block */
.code-block {
    background: var(--color-bg-tertiary);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    overflow-x: auto;
    max-height: 600px;
    overflow-y: auto;
    color: var(--color-text-primary);
}

.code-line {
    display: flex;
    padding: 0 var(--space-4);
    line-height: 1.6;
    color: var(--color-text-primary);
}

.code-line:hover {
    background: rgba(59, 130, 246, 0.1);
}

.code-line.highlight-error {
    background: rgba(239, 68, 68, 0.1);
}

.line-number {
    color: var(--color-text-muted);
    user-select: none;
    padding-right: var(--space-4);
    border-right: 1px solid var(--color-border);
    margin-right: var(--space-4);
    flex-shrink: 0;
}

/* Dark mode code block - ensure visible text */
[data-theme="dark"] .code-block {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

[data-theme="dark"] .code-line {
    color: var(--color-text-primary);
}

/* Diff View */
.diff-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.diff-panel {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.diff-header {
    display: flex;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-bottom: 1px solid var(--color-border);
}

.diff-header.old {
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid var(--color-error);
}

.diff-header.new {
    background: rgba(34, 197, 94, 0.1);
    border-left: 3px solid var(--color-success);
}

.diff-content {
    padding: var(--space-3);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

.diff-line {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.diff-line.removed {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.diff-line.added {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

/* Provenance Grid */
.provenance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

/* Use 6 columns on large screens */
@media (min-width: 1400px) {
    .provenance-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .provenance-item.span-2 {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) and (max-width: 1399px) {
    .provenance-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.provenance-item {
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.provenance-item.span-2 {
    grid-column: span 2;
}

.provenance-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.provenance-value {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    word-break: break-all;
}

.provenance-value a {
    color: var(--color-primary);
    text-decoration: none;
}

.provenance-value a:hover {
    text-decoration: underline;
}

/* Markdown Content */
.markdown-content {
    padding: var(--space-6);
    line-height: 1.7;
}

.markdown-content h1 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
}

.markdown-content h2 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
}

.markdown-content h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-top: var(--space-4);
    margin-bottom: var(--space-2);
}

.markdown-content p {
    margin-bottom: var(--space-4);
}

.markdown-content ul, .markdown-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.markdown-content li {
    margin-bottom: var(--space-2);
}

.markdown-content code {
    background: var(--color-bg-tertiary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.markdown-content pre {
    background: var(--color-bg-tertiary);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-4);
}

.markdown-content pre code {
    background: none;
    padding: 0;
}

.markdown-content blockquote {
    border-left: 4px solid var(--color-primary);
    margin: 0 0 var(--space-4) 0;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--color-text-secondary);
}

.markdown-content blockquote p {
    margin-bottom: var(--space-2);
}

.markdown-content blockquote p:last-child {
    margin-bottom: 0;
}

.markdown-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-6) 0;
}

.markdown-content a {
    color: var(--color-primary);
    text-decoration: none;
}

.markdown-content a:hover {
    text-decoration: underline;
}

.markdown-content h4 {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin-top: var(--space-4);
    margin-bottom: var(--space-2);
}

.md-code-block {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    overflow-x: auto;
    margin-bottom: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.md-code-block code {
    background: none;
    padding: 0;
    font-size: inherit;
}

.md-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.md-table th,
.md-table td {
    border: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3);
    text-align: left;
}

.md-table th {
    background: var(--color-bg-secondary);
    font-weight: var(--font-semibold);
}

.md-table tr:nth-child(even) td {
    background: var(--color-bg-secondary);
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-4);
}

.markdown-content th,
.markdown-content td {
    border: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3);
    text-align: left;
}

.markdown-content th {
    background: var(--color-bg-secondary);
    font-weight: var(--font-semibold);
}

@media (max-width: 768px) {
    .provenance-grid {
        grid-template-columns: 1fr;
    }
    
    .provenance-item.span-2 {
        grid-column: span 1;
    }
    
    .diff-container {
        grid-template-columns: 1fr;
    }
}

/* ----------------------------------------
   Decision Tab Styles
   ---------------------------------------- */

.decision-tab {
    padding: var(--space-4) 0;
}

/* Decision Header */
.decision-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.decision-header.decision-approved {
    background: var(--color-success-light, #dcfce7);
    border: 1px solid var(--color-success);
}

.decision-header.decision-rejected {
    background: var(--color-danger-light, #fee2e2);
    border: 1px solid var(--color-danger);
}

.decision-header.decision-pending {
    background: var(--color-warning-light, #fef3c7);
    border: 1px solid var(--color-warning);
}

[data-theme="dark"] .decision-header.decision-approved {
    background: rgba(34, 197, 94, 0.15);
}

[data-theme="dark"] .decision-header.decision-rejected {
    background: rgba(239, 68, 68, 0.15);
}

[data-theme="dark"] .decision-header.decision-pending {
    background: rgba(245, 158, 11, 0.15);
}

.decision-status {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.decision-icon {
    font-size: var(--text-3xl);
}

.decision-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
}

.decision-timestamp {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    background: var(--color-bg-primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
}

/* Decision Content */
.decision-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.decision-section {
    width: 100%;
}

.decision-section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.decision-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.decision-note {
    font-style: italic;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.decision-rejection {
    border-left: 4px solid var(--color-danger);
}

.rejection-severity {
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.rejection-reason {
    color: var(--color-text-primary);
    line-height: 1.6;
}

/* Reviewer Card */
.reviewer-name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.reviewer-details {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* Timeline */
.decision-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 7px;
    top: calc(100% - 4px);
    width: 2px;
    height: calc(var(--space-3) + 8px);
    background: var(--color-border);
}

.timeline-marker {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid;
}

.timeline-marker.started {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.timeline-marker.approved {
    background: var(--color-success);
    border-color: var(--color-success);
}

.timeline-marker.rejected {
    background: var(--color-error);
    border-color: var(--color-error);
}

.timeline-marker.pending {
    background: transparent;
    border-color: var(--color-warning);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.timeline-label {
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-text-primary);
}

.timeline-date {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Validation Grid */
.decision-validation-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-3);
}

@media (max-width: 992px) {
    .decision-validation-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .decision-validation-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.validation-mini-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-3);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.validation-mini-card.passed {
    border-color: var(--color-success);
    background: var(--color-success-light, rgba(34, 197, 94, 0.1));
}

.validation-mini-card.failed {
    border-color: var(--color-danger);
    background: var(--color-danger-light, rgba(239, 68, 68, 0.1));
}

.validation-mini-icon {
    font-size: var(--text-xl);
}

.validation-mini-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
}

.validation-mini-status {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    color: var(--color-text-secondary);
}

/* Issues List */
.issues-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.issue-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.issue-item:last-child {
    border-bottom: none;
}

.issue-icon {
    flex-shrink: 0;
}

/* Regeneration Status */
.regen-status {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.regen-row {
    display: flex;
    gap: var(--space-3);
}

.regen-label {
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    min-width: 80px;
}

.regen-value {
    color: var(--color-text-primary);
}

.delta-text {
    font-style: italic;
    color: var(--color-text-secondary);
}

.rework-link {
    color: var(--color-accent);
    text-decoration: none;
}

.rework-link:hover {
    text-decoration: underline;
}

/* Decision Artifact */
.decision-artifact-actions {
    display: flex;
    gap: var(--space-2);
}

.decision-artifact {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-height: 400px;
    overflow: auto;
}

.decision-artifact.collapsed {
    max-height: 200px;
}

.decision-artifact pre {
    margin: 0;
    padding: var(--space-4);
    font-size: var(--text-sm);
}

/* Pending State CTA */
.decision-cta-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-8);
    background: var(--color-bg-secondary);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-xl);
}

.cta-icon {
    font-size: 48px;
    margin-bottom: var(--space-4);
}

.cta-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.cta-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    max-width: 400px;
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-lg);
}

/* Decision Meta */
.decision-meta {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.meta-icon {
    font-size: var(--text-lg);
}

.meta-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.meta-value {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
}

/* JIRA Ticket Link */
.jira-ticket-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-accent);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    word-break: break-all;
}

.jira-ticket-link:hover {
    color: var(--color-primary-700);
    text-decoration: underline;
}

.jira-ticket-link svg {
    flex-shrink: 0;
}

/* ----------------------------------------
   GA Full Modal Styles
   ---------------------------------------- */
.ga-full-modal-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.ga-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.ga-modal-meta {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    background: var(--color-primary);
    color: white;
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.meta-badge.secondary {
    background: var(--color-accent);
}

.meta-badge.tertiary {
    background: var(--color-success);
}

.ga-modal-actions {
    display: flex;
    gap: var(--space-2);
}

/* GA JSON Preview Container (Review Queue) */
.ga-json-container {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    max-height: 300px;
    overflow: auto;
}

.ga-json-container pre {
    margin: 0;
    padding: var(--space-3);
    background: inherit;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 11px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.ga-json-container code {
    color: var(--color-text-primary);
    background: transparent;
}

/* GA Full Modal */
.ga-modal-json {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-height: 60vh;
    overflow: auto;
}

.ga-modal-json pre {
    margin: 0;
    padding: var(--space-4);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 12px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.ga-modal-json code {
    color: var(--color-text-primary);
}

/* JSON syntax highlighting (basic) */
.ga-json-container code,
.ga-modal-json code {
    color: var(--color-text-secondary);
}

/* JSON Syntax Highlighting for JSON Tab viewer */
.json-syntax {
    font-size: 13px;
    line-height: 1.65;
}

.json-syntax .code-content {
    white-space: pre;
}

.json-key {
    color: #6f42c1;
    font-weight: 500;
}

.json-string {
    color: #0a3069;
}

.json-number {
    color: #0550ae;
}

.json-boolean {
    color: #cf222e;
    font-weight: 500;
}

.json-null {
    color: #8250df;
    font-style: italic;
}

[data-theme="dark"] .json-key {
    color: #d2a8ff;
    font-weight: 500;
}

[data-theme="dark"] .json-string {
    color: #a5d6ff;
}

[data-theme="dark"] .json-number {
    color: #79c0ff;
}

[data-theme="dark"] .json-boolean {
    color: #ff7b72;
    font-weight: 500;
}

[data-theme="dark"] .json-null {
    color: #ffa657;
    font-style: italic;
}

/* Large modal size */
.modal-container.large .modal-content {
    max-width: 900px;
    width: 95%;
}